diff --git a/app.js b/app.js
index a3f45ae..5f9a4d9 100644
--- a/app.js
+++ b/app.js
@@ -151,23 +151,11 @@ App({
 		this.globalData.ppScale.plugin = requirePlugin('ppScale-plugin');
 	},
 
-	// 标记 app 级 bus 是否已订阅，防止重复叠加
-	_busSubscribed: false,
-
-	/**
-	 * 注销全局 bus 事件监听（重置订阅标志，下次 registerBusListeners 时重新订阅）
-	 */
-	unregisterBusListeners() {
-		this._busSubscribed = false;
-	},
-
 	/**
 	 * 注册全局 bus 事件监听（connectState / syncDeviceTimeSuccess / deviceWillDisconnect）
-	 * 通过标志位防止多次 onShow 导致回调叠加（SDK bus 不支持 unsubscribe）
+	 * 依赖 Blue.stop() 清空订阅，onShow 时直接调用，无需标志位
 	 */
 	registerBusListeners() {
-		if (this._busSubscribed) return;
-		this._busSubscribed = true;
 		const plugin = this.globalData.ppScale.plugin;
 
 		// 蓝牙连接状态监听
diff --git a/pages/configureDevice/configureDevice.js b/pages/configureDevice/configureDevice.js
index edd04af..af32245 100644
--- a/pages/configureDevice/configureDevice.js
+++ b/pages/configureDevice/configureDevice.js
@@ -16,74 +16,6 @@ Page({
 		// 一次性数据初始化，订阅逻辑在 onShow 中注册
 	},
 
-	// 标志位：防止页面级 bus 重复订阅（SDK bus 不支持 unsubscribe）
-	_pageBusSubscribed: false,
-
-	// 注册页面级 bus 订阅（通过标志位防重）
-	_subscribePageBus() {
-		if (this._pageBusSubscribed) return;
-		this._pageBusSubscribed = true;
-
-		ppScale.plugin.bus.subscribe("devicesModel", (res) => {
-			console.log("===》devicesModel", res);
-			ppScale.device.mac = res.deviceMac;
-			this._macReady = true;
-			this._tryProgress();
-		});
-
-		ppScale.plugin.bus.subscribe("deviceConnect", (res) => {
-			console.log('===》deviceConnect', res);
-
-			ppScale.plugin.ScaleAction.startDataProgress(true);
-			ppScale.activeProtocol = ppScale.plugin.ScaleAction.getActiveProtocol();
-
-			let currentStep = this.data.progress.index;
-
-			// 步骤 1/2/3：最小化后重连，只需恢复连接状态（跳过绑定检查）
-			if (currentStep >= 1) {
-				ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
-					console.log("===》重连 codeUpdateMTU", mtuRes);
-
-					ppScale.device.name = this.data.device.name;
-					ppScale.device.connection = this.data.device;
-
-					wx.hideLoading();
-					this._startKeepAlive();
-
-					// 配网步骤：重新获取 WiFi 列表
-					if (currentStep === 2) {
-						const comp = this.selectComponent('#configureDevice3');
-						if (comp) comp.reInitWifi();
-					}
-				});
-				return;
-			}
-
-			// 步骤 0：首次连接设备
-			ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
-				console.log("===》codeUpdateMTU", mtuRes);
-
-				ppScale.activeProtocol.codeSyncTime((codeSyncTime) => {
-					console.log("===》codeSyncTime", codeSyncTime);
-
-					wx.hideLoading();
-					this._startKeepAlive();
-					ppScale.device.name = this.data.device.name;
-					ppScale.device.connection = this.data.device;
-					const nameArr = this.data.device.name.split("-");
-					ppScale.version = nameArr.length === 5 ? "domain2" : "domain1";
-					this._connectReady = true;
-					this._tryProgress();
-				});
-			});
-		});
-	},
-
-	// 重置页面级 bus 订阅标志（页面离开时调用，下次 onShow 重新订阅）
-	_unsubscribePageBus() {
-		this._pageBusSubscribed = false;
-	},
-
 	// 记录 stop() 调用时间，用于 onShow 动态计算安全延迟
 	_stopTime: 0,
 
@@ -92,13 +24,58 @@ Page({
 		const elapsed = Date.now() - (this._stopTime || 0);
 		const delay = Math.max(0, 500 - elapsed);
 		setTimeout(() => {
-			// 注册 app 级别的全局 bus 订阅
+			// 注册 app 级别的全局 bus 订阅（stop() 已清空，直接重新订阅）
 			app.registerBusListeners();
 
-			// 页面级 bus 订阅（标志位防重）
-			this._subscribePageBus();
+			// 页面级 bus 订阅
+			ppScale.plugin.bus.subscribe("devicesModel", (res) => {
+				console.log("===》devicesModel", res);
+				ppScale.device.mac = res.deviceMac;
+				this._macReady = true;
+				this._tryProgress();
+			});
 
-			// devicesList 每次 onShow 都需要重新订阅（重连场景）
+			ppScale.plugin.bus.subscribe("deviceConnect", (res) => {
+				console.log('===》deviceConnect', res);
+				ppScale.plugin.ScaleAction.startDataProgress(true);
+				ppScale.activeProtocol = ppScale.plugin.ScaleAction.getActiveProtocol();
+
+				let currentStep = this.data.progress.index;
+
+				// 步骤 1/2/3：最小化后重连，只需恢复连接状态
+				if (currentStep >= 1) {
+					ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
+						console.log("===》重连 codeUpdateMTU", mtuRes);
+						ppScale.device.name = this.data.device.name;
+						ppScale.device.connection = this.data.device;
+						wx.hideLoading();
+						this._startKeepAlive();
+						if (currentStep === 2) {
+							const comp = this.selectComponent('#configureDevice3');
+							if (comp) comp.reInitWifi();
+						}
+					});
+					return;
+				}
+
+				// 步骤 0：首次连接设备
+				ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
+					console.log("===》codeUpdateMTU", mtuRes);
+					ppScale.activeProtocol.codeSyncTime((codeSyncTime) => {
+						console.log("===》codeSyncTime", codeSyncTime);
+						wx.hideLoading();
+						this._startKeepAlive();
+						ppScale.device.name = this.data.device.name;
+						ppScale.device.connection = this.data.device;
+						const nameArr = this.data.device.name.split("-");
+						ppScale.version = nameArr.length === 5 ? "domain2" : "domain1";
+						this._connectReady = true;
+						this._tryProgress();
+					});
+				});
+			});
+
+			// 如果之前已选择过设备，自动扫描并重连
 			if (this.data.device) {
 				wx.showLoading({ title: "正在重新连接...", mask: true });
 				ppScale.plugin.bus.subscribe("devicesList", (res) => {
@@ -287,18 +264,11 @@ Page({
 	onHide() {
 		console.log("configureDevice onHide");
 		this._stopKeepAlive();
-		this._unsubscribePageBus();
-		app.unregisterBusListeners();
 		// 配网步骤：立即清空 WiFi 列表（stop 后数据已失效）
 		if (this.data.progress.index === 2) {
 			const comp = this.selectComponent('#configureDevice3');
 			if (comp) {
-				comp.setData({
-					progress: 0,
-					wifiList: [],
-					selectWifi: null,
-					selectWifiPWD: ""
-				});
+				comp.setData({ progress: 0, wifiList: [], selectWifi: null, selectWifiPWD: "" });
 			}
 		}
 		app.resetReconnectCount();
@@ -312,8 +282,6 @@ Page({
 	onUnload() {
 		console.log("configureDevice onUnload");
 		this._stopKeepAlive();
-		this._unsubscribePageBus();
-		app.unregisterBusListeners();
 		app.resetReconnectCount();
 		app.setGlobalData('ppScale.device.connectState', null);
 		this._connectReady = false;
diff --git a/pages/replaceNetwork/replaceNetwork.js b/pages/replaceNetwork/replaceNetwork.js
index 735b78d..88ce7d9 100644
--- a/pages/replaceNetwork/replaceNetwork.js
+++ b/pages/replaceNetwork/replaceNetwork.js
@@ -18,44 +18,6 @@ Page({
     // 存储回调函数的引用，以便在 onUnload 时取消监听
     _connectStateWatcher: null,
 
-    // 标志位：防止页面级 bus 重复订阅（SDK bus 不支持 unsubscribe）
-    _pageBusSubscribed: false,
-
-    // 注册页面级 bus 订阅（通过标志位防重）
-    _subscribePageBus() {
-        if (this._pageBusSubscribed) return;
-        this._pageBusSubscribed = true;
-
-        app.globalData.ppScale.plugin.bus.subscribe("devicesModel", (res) => {
-            console.log("replaceNetwork ===》devicesModel", res);
-            app.globalData.ppScale.device.mac = res.deviceMac;
-        });
-
-        app.globalData.ppScale.plugin.bus.subscribe("deviceConnect", (res) => {
-            console.log('replaceNetwork ===》deviceConnect', res);
-            app.globalData.ppScale.plugin.ScaleAction.startDataProgress(true);
-            app.globalData.ppScale.activeProtocol = app.globalData.ppScale.plugin.ScaleAction.getActiveProtocol();
-            app.globalData.ppScale.activeProtocol.codeUpdateMTU((res) => {
-                console.log("replaceNetwork ===》codeUpdateMTU", res);
-                app.globalData.ppScale.device.name = this.data.device.name;
-                app.globalData.ppScale.device.connection = this.data.device;
-                const nameArr = this.data.device.name.split("-");
-                app.globalData.ppScale.version = nameArr.length === 5 ? "domain2" : "domain1";
-                wx.hideLoading();
-                this._startKeepAlive();
-                if (this.data.progress === 0) {
-                    const comp = this.selectComponent('#replaceNetwork1Component');
-                    if (comp) comp.getWiFiList();
-                }
-            });
-        });
-    },
-
-    // 重置订阅标志，下次 onShow 时重新订阅
-    _unsubscribePageBus() {
-        this._pageBusSubscribed = false;
-    },
-
 	onLoad(options) {
         // 一次性数据初始化
         this.checkBluetoothPermissionAndInit();
@@ -76,13 +38,34 @@ Page({
 
     onShow() {
         console.log("replaceNetwork onShow");
-        // 延迟 300ms 确保 stop() 完全释放后再重新注册（参照官方 demo）
         setTimeout(() => {
-            // 重新注册 app 级别的全局 bus 订阅
+            // 注册 app 级别的全局 bus 订阅（stop() 已清空，直接重新订阅）
             app.registerBusListeners();
 
-            // 页面级 bus 订阅（标志位防重）
-            this._subscribePageBus();
+            // 页面级 bus 订阅
+            app.globalData.ppScale.plugin.bus.subscribe("devicesModel", (res) => {
+                console.log("replaceNetwork ===》devicesModel", res);
+                app.globalData.ppScale.device.mac = res.deviceMac;
+            });
+
+            app.globalData.ppScale.plugin.bus.subscribe("deviceConnect", (res) => {
+                console.log('replaceNetwork ===》deviceConnect', res);
+                app.globalData.ppScale.plugin.ScaleAction.startDataProgress(true);
+                app.globalData.ppScale.activeProtocol = app.globalData.ppScale.plugin.ScaleAction.getActiveProtocol();
+                app.globalData.ppScale.activeProtocol.codeUpdateMTU((mtuRes) => {
+                    console.log("replaceNetwork ===》codeUpdateMTU", mtuRes);
+                    app.globalData.ppScale.device.name = this.data.device.name;
+                    app.globalData.ppScale.device.connection = this.data.device;
+                    const nameArr = this.data.device.name.split("-");
+                    app.globalData.ppScale.version = nameArr.length === 5 ? "domain2" : "domain1";
+                    wx.hideLoading();
+                    this._startKeepAlive();
+                    if (this.data.progress === 0) {
+                        const comp = this.selectComponent('#replaceNetwork1Component');
+                        if (comp) comp.getWiFiList();
+                    }
+                });
+            });
 
             // 通过完整链路重新初始化蓝牙（权限检查 → 打开蓝牙 → 获取设备 → start）
             this.checkBluetoothPermissionAndInit();
@@ -301,19 +284,14 @@ Page({
     onHide() {
         console.log("replaceNetwork onHide");
         this._stopKeepAlive();
-        this._unsubscribePageBus();
-        app.unregisterBusListeners();
         app.resetReconnectCount();
         app.setGlobalData('ppScale.device.connectState', null);
         app.globalData.ppScale.plugin.Blue.stop();
     },
 
-    // 卸载事件监听
     onUnload() {
         console.log("replaceNetwork onUnload");
         this._stopKeepAlive();
-        this._unsubscribePageBus();
-        app.unregisterBusListeners();
         app.resetReconnectCount();
         app.setGlobalData('ppScale.device.connectState', null);
         app.globalData.ppScale.plugin.Blue.stop();